Question

what is the bigban ​

Answer 1

Answer:

The Big Bang theory is a cosmological model of the observable universe from the earliest known periods through its subsequent large-scale evolution. ... Detailed measurements of the expansion rate of the universe place the Big Bang at around 13.8 billion years ago, which is thus considered the age of the universe.

Explanation:

Hope it is helpful

Answer 2

The universe began, scientists believe, with every speck of its energy jammed into a very tiny point. This extremely dense point exploded with unimaginable force, creating matter and propelling it outward to make the billions of galaxies of our vast universe. Astrophysicists dubbed this titanic explosion the Big Bang.